Singapore transport operators must conduct actual and regular walk-throughs as well as "live rehearsals" to test their contingency plans for rail disruptions, Transport Minister Khaw Boon Wan said in a blog entry on Monday.

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Singapore has received a "good mix" of eight local and international proposals on how self-driving vehicle technology can be harnessed for mass transport or shared transport services, following a Request for Information call in June, the Land Transport Authority (LTA) announced in a Facebook post on Monday.

Trading in blue chips has contributed almost three quarters of daily volume over the past fortnight and so it was again the case on Monday when the Straits Times Index's (STI) recent revival continued with a 33.61 points rise to 3,032.11.